<P>Generally use "three oil two felt" (three asphalt two felt paper, and then wipe a layer of cement, to prevent the release of harmful gases); simple method is to shop a layer of moisture-proof membrane.</P>
<P>Some in the keel plus a layer of hair floor, and some installation requirements leave 0.2mm wide gap between the plates, and some require indoor four-leaved plate to facilitate the release of moisture, and some require wall expansion joints within the floor with Spring, some with aluminum keel, and some use orbital wooden floor installation methods. Tailou Tong Kou paint, waxing, covered aluminum platinum, plastic coated with nano-technology.</P>
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